Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/WV/WILLIAMSON

Williamson ZIP code, West Virginia

The ZIP code for Williamson, WV is 25661, and its area codes are 304 and 681.

USPS city name
1 ZIP code
Population
2,919
Area codes
304, 681

Williamson in numbers

About 2,919 people live in Williamson, in 1,405 households. The median household income is $21,875 a year, 63% below the West Virginia median of $59,608 (US: $80,734). The median owner-occupied home is valued at $89,600 (45% below the West Virginia median), and median gross rent is $489 a month. The median age is 42.7; 10.4% of adults 25 and over hold a bachelor's degree or higher (24.1% across West Virginia); the average commute takes 27 minutes.

Population2,919Williamson2,919
Households1,405Williamson1,405
Median age42.7Williamson42.7West Virginia42.7US 38.9
Median household income$21,875Williamson$21,875West Virginia$59,608US $80,734
Median home value$89,600Williamson$89,600West Virginia$162,600US $332,700
Median gross rent$489Williamson$489West Virginia$872US $1,413
Bachelor's degree or higher10.4%Williamson10.4%West Virginia24.1%US 35.7%
Mean commute27.2 minWilliamson27.2 minWest Virginia26.6 minUS 26.4 min
Population density891 / sq miWilliamson891 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Williamson city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Williamson

ZIP codes with the USPS city name Williamson
ZIP City Type Population Median income Median home
25661 Williamson , WV Standard 4,277 $25,014 $94,900

Map of Williamson ZIP codes

25661

The ZIP codes of Williamson, WV, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Williamson

The nearest larger towns are Pikeville, KY (7,490 people, 20 mi), Prestonsburg, KY (3,765 people, 27 mi) and Paintsville, KY (4,203 people, 31 mi).

Towns near Williamson
TownPopulationDistance
Pikeville, KY 7,490 19.6 mi
Prestonsburg, KY 3,765 27.1 mi

More nearby: every ZIP code in Mingo County · West Virginia ZIP codes

Cite this page

zipcodes.pro. “Williamson, WV ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/wv/williamson

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